*SUPPORT*
IN: gazzer OUT: YELLOW
IN: gazzer fep tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif fep OUT: PINK PINK
IN: wif gazzer zup lug OUT: PINK BLUE YELLOW
IN: lug fep OUT: BLUE BLUE
IN: gazzer zup gazzer tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif fep tufa OUT: PINK PINK PINK PINK
IN: gazzer gazzer gazzer zup lug OUT: YELLOW YELLOW BLUE YELLOW
IN: dax zup lug OUT: BLUE GREEN
IN: dax wif gazzer zup gazzer OUT: GREEN PINK YELLOW YELLOW
IN: lug zup lug tufa OUT: BLUE BLUE BLUE BLUE
IN: gazzer wif fep OUT: YELLOW PINK PINK
IN: gazzer fep OUT: YELLOW YELLOW
IN: lug zup gazzer OUT: YELLOW BLUE

*QUERY*
IN: lug zup wif OUT: PINK BLUE
IN: wif tufa OUT: PINK PINK
IN: dax OUT: GREEN
IN: dax wif fep OUT: GREEN PINK PINK
IN: dax wif zup wif OUT: GREEN PINK PINK
IN: gazzer zup lug OUT: BLUE YELLOW
IN: gazzer gazzer gazzer fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax zup dax OUT: GREEN GREEN
IN: wif OUT: PINK
IN: dax fep OUT: GREEN GREEN

*GRAMMAR*
lug -> BLUE 
 gazzer -> YELLOW 
 wif -> PINK 
 dax -> GREEN 
 x1 tufa -> [x1] [x1] 
 u1 fep -> [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 